EP0411550A3 - Process for mixing polytetrafluoroethylene molding powder and organic filler - Google Patents

Process for mixing polytetrafluoroethylene molding powder and organic filler Download PDF

Info

Publication number: EP0411550A3
Authority: EP; European Patent Office
Prior art keywords: organic filler; molding powder; mixing polytetrafluoroethylene; polytetrafluoroethylene molding; mixing
Prior art date: 1989-08-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19900114630

Other versions

EP0411550A2 (en

EP0411550B1 (en

Inventor

Norimasa Honda

Tomohiko Hirata

Hirokazu Yukawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Daikin Industries Ltd

Original Assignee

Daikin Industries Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-08-02

Filing date

1990-07-31

Publication date

1991-09-11

1990-07-31 Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd

1991-02-06 Publication of EP0411550A2 publication Critical patent/EP0411550A2/en

1991-09-11 Publication of EP0411550A3 publication Critical patent/EP0411550A3/en

1996-10-16 Application granted granted Critical

1996-10-16 Publication of EP0411550B1 publication Critical patent/EP0411550B1/en

2010-07-31 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/005—Processes for mixing polymers
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Compositions Of Macromolecular Compounds (AREA)
Pigments, Carbon Blacks, Or Wood Stains (AREA)

EP90114630A 1989-08-02 1990-07-31 Process for mixing polytetrafluoroethylene molding powder and organic filler Expired - Lifetime EP0411550B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP200953/89		1989-08-02
JP20095389		1989-08-02

Publications (3)

Publication Number	Publication Date
EP0411550A2 EP0411550A2 (en)	1991-02-06
EP0411550A3 true EP0411550A3 (en)	1991-09-11
EP0411550B1 EP0411550B1 (en)	1996-10-16

Family

ID=16433054

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP90114630A Expired - Lifetime EP0411550B1 (en)	1989-08-02	1990-07-31	Process for mixing polytetrafluoroethylene molding powder and organic filler

Country Status (3)

Country	Link
US (1)	US5264523A (en)
EP (1)	EP0411550B1 (en)
DE (1)	DE69028886T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5545475A (en) *	1994-09-20	1996-08-13	W. L. Gore & Associates	Microfiber-reinforced porous polymer film and a method for manufacturing the same and composites made thereof
DE202009017307U1 (en) *	2009-12-18	2010-03-18	Basf Se	Use of at least one porous organometallic framework (MOF) to reduce the methane gas content and to increase the overall gas yield in animal feed
KR102353963B1 (en) *	2016-06-23	2022-01-20	에이지씨 가부시키가이샤	Manufacturing method of liquid composition containing fluororesin powder
CN113150387B (en) *	2021-04-21	2023-01-31	江苏联瑞新材料股份有限公司	Preparation method of hydrophobic silicon micro powder

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB903090A (en) *	1957-07-10	1962-08-09	Polymer Corp	Filling of polytetrafluoroethylene
US3992347A (en) *	1973-06-29	1976-11-16	E. I. Du Pont De Nemours & Co.	Arloxysulfone copolymer solution having perfluoro-carbon polymer particles dispersed therein
US3929721A (en) *	1974-05-24	1975-12-30	Du Pont	Process for reducing filler loss in tetrafluoroethylene polymer particles
JPS538649A (en) *	1976-07-13	1978-01-26	Asahi Glass Co Ltd	Fluorine-containing elastomer composition having improved tear properties
US4113696A (en) *	1977-06-28	1978-09-12	Union Carbide Corporation	Polysulfide silicon compounds
AU533125B2 (en) *	1979-10-26	1983-11-03	Otis Elevator Company	Polymer based lubricating composition
JPS5690862A (en) *	1979-12-25	1981-07-23	Daikin Ind Ltd	Fluoroplastic undercoating composition
JPS6021694B2 (en) *	1980-07-08	1985-05-29	ダイキン工業株式会社	Method for manufacturing filler-containing polytetrafluoroethylene molding powder
GB8418591D0 (en) *	1984-07-20	1984-08-22	Bp Chem Int Ltd	Polymer composition
EP0186186B1 (en) *	1984-12-27	1991-07-24	Asahi Glass Company Ltd.	Curable resin composition
US4724251A (en) *	1984-12-28	1988-02-09	General Electric Co.	Polyetherimide bearing compositions
US4647602A (en) *	1985-05-01	1987-03-03	General Electric Company	Method of dispersing fluoroplastics in polymeric compositions
JPS61266451A (en) *	1985-05-21	1986-11-26	Daido Metal Kogyo Kk	Composition for sliding member
JP2686787B2 (en) *	1988-10-17	1997-12-08	東レ・ダウコーニング・シリコーン株式会社	Fluorine rubber composition

1990
- 1990-07-31 DE DE69028886T patent/DE69028886T2/en not_active Expired - Fee Related
- 1990-07-31 EP EP90114630A patent/EP0411550B1/en not_active Expired - Lifetime
- 1990-08-01 US US07/561,425 patent/US5264523A/en not_active Expired - Lifetime

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DATABASE WPIL, AN=78-18606A (10), Derwent Publications Ltd, London, GB; & JP-A-53 008 649 (ASAHI GLASS K.K.) *
DATABASE WPIL, AN=81-65207D (36), Derwent Publications Ltd, Liondon, GB; JP-A-56 090 862 (DAIKIN KOGYO K.K.) *
DATABASE WPIL, AN=86-192294 (30), Derwent Publications Ltd, London, GB; & JP-A-61 123 655 (HITACHI CHEM CO.) *
DATABASE WPIL, AN=89-042687 (06), Derwent Publications Ltd, London, GB; & JP-A-63 314 291 (ARAI PUMP MFG CO.) *

Also Published As

Publication number	Publication date
DE69028886T2 (en)	1997-02-20
EP0411550A2 (en)	1991-02-06
DE69028886D1 (en)	1996-11-21
EP0411550B1 (en)	1996-10-16
US5264523A (en)	1993-11-23

Publication	Publication Date	Title
EP0412572A3 (en)	1992-03-18	Thermoplastic resin composition and method for preparing the same
EP0307802A3 (en)	1990-11-22	Thermoplastic resin composition and method for preparing the same
EP0177351A3 (en)	1987-10-28	Method and apparatus for molding plastics container and the plastics container
AU5153690A (en)	1990-12-18	Injection molding process and apparatus
HUT68416A (en)	1995-06-28	Thermoplastic composition and process for preparing the same
EP0405843A3 (en)	1991-04-24	Molding material
YU45490A (en)	1991-10-31	Process for preparing glicozated insulines and their mixtures
EP0295706A3 (en)	1990-05-23	Thermoplastic resin composition and method for preparing the same
GB9115301D0 (en)	1991-08-28	Process for making resin composition and resin composition
EP0304041A3 (en)	1990-05-16	Thermoplastic resin composition and method for preparing the same
AU4503589A (en)	1990-05-28	Thermoplastic molding composition and process for preparing the same
EP0431470A3 (en)	1991-09-18	Polyphenylene sulfide resin composition and process for preparing the same
GB2218665B (en)	1992-02-19	Moulding apparatus for manufacturing seal components
EP0338544A3 (en)	1990-11-28	Thermoplastic resin composition and method for preparing the same
EP0493786A3 (en)	1992-11-25	Resin composition and process for producing the composition
GB2198980B (en)	1991-03-27	Process for compressing granular moulding materials
EP0412832A3 (en)	1992-03-04	Graft-modified substance, process for preparing same, and thermoplastic resin composition using the graft-modified substance
EP0411550A3 (en)	1991-09-11	Process for mixing polytetrafluoroethylene molding powder and organic filler
EP0247744A3 (en)	1989-01-11	Powder slush process and apparatus for making plastic articles
EP0425060A3 (en)	1992-01-29	Process for injection molding and apparatus therefor
EP0368295A3 (en)	1990-11-28	Thermoplastic resin composition and method for preparing the same
GB2190873B (en)	1989-12-13	Method and apparatus for moulding plastics objects
EP0454043A3 (en)	1992-09-09	Process for preparing polytetrafluoroethylene granular powder containing filler and polytetrafluoroethyle granular powder prepared by the same
EP0593054A3 (en)	1994-05-18	Thermoplastic resin composition and process for preparing the same
EP0421393A3 (en)	1991-07-31	Resin, compositions, shaped articles, and methods for manufacture

Legal Events

Date	Code	Title	Description
1990-12-22	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-02-06	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1991-02-27	17P	Request for examination filed	Effective date: 19901222
1991-07-24	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-09-11	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1995-01-18	17Q	First examination report despatched	Effective date: 19941201
1996-01-05	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-04-18	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1996-08-13	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1996-08-30	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1996-10-16	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1996-10-16	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19961016
1996-11-21	REF	Corresponds to:	Ref document number: 69028886 Country of ref document: DE Date of ref document: 19961121
1996-12-24	ITF	It: translation for a ep patent filed
1997-03-14	EN	Fr: translation not filed
1997-04-11	EN	Fr: translation not filed	Free format text: CORRECTIONS
1997-07-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19970731
1997-08-22	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1997-08-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1997-10-08	26N	No opposition filed
1998-03-25	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19970731
2008-10-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20080814 Year of fee payment: 19
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2011-03-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090731